Advertisements
Advertisements
प्रश्न
The speed of light is maximum in ______.
विकल्प
vacuum
glass
diamond
Advertisements
उत्तर
The speed of light is maximum in vacuum
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The speed of light in vacuum is 3 × 108 ms-1.
State whether light slows down or speeds up in the following cases :
Light going from glass to water.
State whether light slows down or speeds up in the following cases :
Light going from water to air.
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
The speed of light in air is 3 × 108 m s-1. Calculate the speed of light in glass. The refractive index of glass is 1.5.
Compare the speeds of light of wavelength 4000 Å (i.e. violet light) and 8000 Å (i.e. red light) in vacuum.
Materials that allow light to pass through completely are known as ______ material.
Objects that allow light to pass through partially are called ______ material.
Define opaque material.
The speed of light decreases in a denser medium, light bends towards the normal.
